6441山炮和碉堡防守，敌军普通高射炮和GrW-34 迫击炮士兵冲锋 Mountain guns and bunkers

6441山炮和碉堡防守，敌军普通高射炮和GrW-34 迫击炮士兵冲锋 Mountain guns and bunkers defense, enemy ordinary anti-aircraft guns and GrW-34 mortar soldiers charge